GETCO Exam Paper (22-07-2015) Current chopping phenomenon is related to asymmetrical current small inductive current resistance switching capacitance switching asymmetrical current small inductive current resistance switching capacitance switching ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Steady state stability of a power system is improved by reducing fault clearing time using double circuit line instead of single circuit line by fast switching decreasing generator inertia reducing fault clearing time using double circuit line instead of single circuit line by fast switching decreasing generator inertia ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The rating of given on the name plate of a transformer indicates the: Apparent power which it can supply Apparent power which it draws from the supply mains True power which it can supply True power whichh it draws from the supply mains Apparent power which it can supply Apparent power which it draws from the supply mains True power which it can supply True power whichh it draws from the supply mains ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The rating of given on the name plate of a transformer indicates the:Apparent power which it can supply S=V( supplied voltage)*I (load current)active power = v* i*cosφreactive power = v* i*sinφ
GETCO Exam Paper (22-07-2015) The Y bus matrix is a sparse matrix because … no of lines are less lines are connected to less no. of buses Y primitive is a sparse matrix bus incidence matrix is a sparse matrix no of lines are less lines are connected to less no. of buses Y primitive is a sparse matrix bus incidence matrix is a sparse matrix ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Differential equation is required to be solved in _____ Stability studies economical operation of power systems Finding efficiency of a transmission line Load flow studies Stability studies economical operation of power systems Finding efficiency of a transmission line Load flow studies ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Which of the following is a reason to decouple AVR and LFC loops when there is a shortage of reactive power? angle of the voltage is not considered Change in voltage magnitude marginally affects real power deference of error is the main reason AVR loop response is slower than LFC loop angle of the voltage is not considered Change in voltage magnitude marginally affects real power deference of error is the main reason AVR loop response is slower than LFC loop ANSWER DOWNLOAD EXAMIANS APP
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